ELIZABETHTOWN COMMUNITY and TECHNICAL COLLEGE
BRX 120 BASIC BLUEPRINT READING
FALL SEMESTER 2005
Prerequisites: None
Course Description
This web enhanced course provides the student with a series,
demonstrations, and practice exercises in the study of basic applied math,
lines, multi-view drawings, symbols, various schematics and diagrams,
dimensioning techniques, sectional views, auxiliary views, threads and
fasteners, and sketching typical to all shop drawings.
Safety will be
emphasized as an integral part of the course.
Course Objectives
1.
2.
3.
4.
5.
6.
7.
8.
Describe the alphabet of lines.
Interpret various symbols on mechanical drawings.
Identify similarities between different types of drawings.
Explain types of information found on detail, assembly, and exploded view
drawings.
Apply techniques of orthographic projection.
Identify various machine parts.
Calculate various dimensions.
Explain fastener terminology.
Class Requirements
Notebook, folder and calculator (A MUST)
Specifics About Class
You are expected to be present, and ON TIME, for every class meeting
with the exception of certain weather conditions. Note: Follow instructions for
ECC weather related class late schedules or closings. It is the responsibility
of the student to inform the instructor of an absence and to find out what was
done in class or to make arrangements the first day back to make up a missed
exam or a grade of “0” will be entered for that exam.
See the “Student
Handbook” for more information. If student should fail to take the make-up exam
at the time agreed upon, without a valid cause, a grade of zero would be
entered for that exam. Classroom work, including quizzes, not turned in on time
shall receive a grade of zero.
Textbook
Blueprint Reading for the Machine Tool Trades, Schultz and Smith, Fifth
Edition BRX 120
Classroom Policies
For reasons of safety and hygiene, no food or drinks will be allowed
class. Cell phones and pagers must be turned off. Smoking is permitted only
smoking areas.
The instructor may modify rules and policies as deemed
necessary. Anyone who thinks he or she may have a work conflict with any of
the class meetings MUST see the instructor on the first day of class.
Student Code of Conduct
Students are expected to abide by the Student Code of Conduct referred to in the Student Handbook. Complete
copies of the Student Code of Conduct are available in Student Affairs.
"If you need accommodation because of a
documented disability (psychological
1
disability, medical disability,
learning disability, and/or physical
disability), you must register with
Disability Resources each academic term
you are enrolled. To register, contact
Noel Helm, Manager of Disabilities Resources, in
Room 102AT, or call 270 706 8455. In
the event of an emergency while you are
on campus or attending class at an offcampus location, notify Disability
Resources immediately if you require
assistance”
Grading Policy
Your grade will be determined by:
(1) Three one-hour exams worth 50% of the total grade. (Average of the
three multiplied by 50 percent)
(2) Classroom work 50% of the total grade.
(Average of all graded
classroom work multiplied by 50 percent)
NOTE: Students will be responsible for keeping a record and date of their Class
work and Exams. This syllabus is an agreement between the instructor and
student, keep it with you at all times.
Exam Grades ________________________________
Class Grades ________________________________
Tentative Daily Schedule
Introduction to class
Unit One
Dictionary of Terms
Standard Abbreviations
Alphabet of Lines
Unit Two
Dimensioning Systems
Blueprints vs. Whiteprints
Engineering Drawings
Title Blocks
Drawing Notes
Single-View Drawings
Detail Drawings
Center Lines
Diameters and Radii
Break Lines
2
Unit
Unit
Unit
Unit
Unit
Unit
Typical Dimensions
Tolerances
Bolt Circles
Maximum Material Condition and Least Material Condition
Allowance
Arcs and Circles
Three
Orthographic Projection
Third-Angle Projection
First-Angle Projection
Four
Reading Multi-view Drawings
Precedence of Lines
Accumulated Tolerances
Dimensioning Methods
Five
Orthographic Projection of Inclined Planes
Foreshortened Views
Angular Dimensions
Included Angle
Slots and Grooves
Six
Reference Dimensions
Blind Holes
Chamfers
Key seats and Keyways
Counter bores and Countersinks
Angular Hole Locations
Castings
Finish Symbols
Finish Allowance
Fillets and Rounds
Clearance Holes
Half-Views
Surface Roughness
Roughness Average
Surface Roughness Chart
Surface Texture Symbol
Review for Exam One
Exam One
Review Exam
Seven
Bosses and Pads
Slotted Holes
Casting Dimensions
Tapers
Standard Tapers
Necks
Limits
Single Limits
Steel Processing
Steel Specifications
General Properties of Alloy Steels
Steel Carbon Content
Partial Enlarged Views
Stock Sizes
Knurling
Heat-Treat Notes
Eight
Sectional Views
Full Sections and Half-Sections
Symbology
Annular Grooves
3
Unit
Unit
Unit
Unit
Unit
Wall Thickness
Cast Iron
Spot-facing
Revolved Sections
Broken-Out Sections
Ribs in Section
Section Line Symbols
Rotated Features
Removed Sections
Offset Sections
Nine
Threaded Hole Specifications
Unified Thread Form
Thread Series
Classes of Fit
Threaded Hole Illustrations
Unified Thread Table
Numbered and Lettered Drills
Thread Calculations
Constant Pitch Series
Line Omission
Arrowless Dimensioning
External Threads
Thread Forms
Tabulated Dimensions
Multiple Threads
Pipe Threads
Dry-seal Pipe Threads
Hex Bar Stock
Ten
Typical Drawings
Right Triangles
Repetitive Features
Detail Drawings
Drawing Revisions
Conical Tapers
Rockwell Hardness Test
Thread Specification Placement
Computer-Aided Drafting
Advantages of CAD
Patent Drawings
Eleven
Metric Drawings
Dimensioning Symbols
Metric Threads
Metric Thread Table
Coordinate Dimensioning
Dual Dimensioning
Dimension Origin
Review for Exam
Exam Two
Review Exam
Twelve
Auxiliary Views
Inclined Planes
Oblique Planes
Bend Allowance
Thirteen
Geometric Tolerancing
Feature Control Framer
Material Condition Symbols
Projected Tolerance Zone
Basic Dimension Symbol
4
Datum Feature Symbol
Combined Symbols
Composite Frames
Datum Target Symbol
All Around Symbol
Form Tolerances
Datums and the Datum Reference System
Orientation Tolerances
Profile Tolerances
Unit Fourteen
Location Tolerances
Run-out Tolerances
Projected Tolerance Zone
Geometric Characteristic Symbols
Former Practices
Comparison of Symbols
Unit Fifteen
Spur Gear Terminology
Spur Gear Formulas
Spur Gears
Splines
Unit Sixteen
Weldments
Welding Symbols
Resistance Welds
Review for Exam
Exam Three
Review exam
Review grades
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
BRX 110 Basic Blueprint Reading Task List
Introduction and math review
Identify the alphabet of lines
Identify multiple views
Properly arrange multiple views
Properly arrange two view drawings
Properly note one view drawings
Arrange and identify auxiliary views
Demonstrate the use of size and location dimensions
Demonstrate proper dimensions of cylinders and arcs
Size dimensions of holes and angles
Locate dimensions for centering of holes, points, and centers
Interpret drawings base line dimensions
Calculate tolerances
Identify labeling of various screw threads
Calculate tapers and machined surfaces
Dimension parts using shop notes
Identify half, full, and removed sections
Introduction to the identification of weld symbols
Introduction to the identification of electrical, hydraulic and pneumatic
schematic symbols
Introduction to the identification of electrical, hydraulic
and pneumatic diagram symbols
Interpret
connections and
flow of
various electrical, hydraulic
and pneumatic schematics
Interpret connections and flow of various electrical,
hydraulic and pneumatic diagrams
Identify welding symbols and equipment
Interpret Ordinate and Tabular dimensions
5
(25)
(26)
(27)
(28)
Set tolerances using geometric dimensioning techniques
Sketch parts with irregular shapes
Sketch oblique views of various parts
Sketch and dimension shop drawings
6